🚨 Emergency? Call 999 · Motorway breakdown? 0300 123 5000
Search
LIVE
Loading incidents...

Start typing to search

Find traffic updates, service providers, tools & more

📢 Seen an incident on this road? Report it in 30 seconds Report ›

At a glance

🕐 Last verified 20 Feb, 14:55

Loading the map…
StatusCleared
Severity (NH)Severe
RoadM40
DirectionSouthbound
RegionEastern
CountyBuckinghamshire
Category (NH)Overturned Vehicle
ReportedFri 20 Feb, 12:54
Cleared14:55
Lasted2h
Road typeMotorway
Speed limit70 mph (variable)
Weather☁️ Overcast
ReferenceREF-6424433
Views125

Times are UK time.

What National Highways say

M40 J2 southbound exit | Southbound | Overturned Vehicle

Location : The M40 southbound exit slip at junction J2 . Reason : Accident involving an overturned vehicle. Status : Cleared.

The official National Highways record of this incident, kept here after the road reopens.

Were you on the M40?

Enter when you were travelling to see if this incident was active at the time.

📡

Live Incident Timeline

1 update captured · Cleared

PREMIUM
M40 ✓ CLEARED

📋 Your Premium Report includes 1 timestamped update:

✓ Full timestamped update timeline
✓ Green-highlighted changes each update
✓ All 1 affected segments tracked
✓ Expected clear time per segment
✓ Weather & road surface at incident
✓ Emergency services confirmed
✓ Insurance claim checklist
✓ 3 ready-to-use template letters

A police collision report costs £215+ and takes 6–8 months. This report is available within minutes.

🚗 Were you caught in this incident?

Leave your email and we'll notify you when this incident is cleared and the full report is ready — useful for insurance or work.

We won't spam you. You'll get one email when this incident clears so you can grab the full report. This is an independent evidence report from official National Highways / TfL data — not a police report.

Recent M40 incidents

6 incidents and roadworks logged on the M40 in the last 30 days, 4 of them serious or severe. Times are UK time.

M40 | Oxfordshire | Carriageway Closure | Severe Delays 2 hoursFri 7 Aug, 12:49 M40 | Buckinghamshire | Carriageway Closure | Expect DelaysFri 10 Jul, 02:14 M40 | Oxfordshire | Carriageway Closure | DelaysSat 4 Jul, 11:00 M40 J4 northbound exit | Northbound | CongestionMon 29 Jun, 17:06 M40 J4 northbound exit | Northbound | CongestionMon 29 Jun, 11:30 M40 southbound between J5 and J4 | Southbound | AccidentSun 28 Jun, 18:19
Every M40 incident

Common questions

Is the M40 closed?

Not because of this overturned vehicle. It cleared at 14:55 UK time on Fri 20 Feb. See the M40 right now.

What happened on the M40 on 20 Feb 2026?

Overturned vehicle on the M40 southbound at J2 in Buckinghamshire, reported at 12:54 UK time on Fri 20 Feb. Cleared at 14:55.

How long did it last?

2h, from 12:54 UK time on Fri 20 Feb.

Where can I see everything else on the M40?

The M40 live page shows what is happening now, and the M40 archive has every incident on record.

Share

WhatsApp Facebook X Telegram

Get M40 alerts

Free email alerts when something happens on the M40.

Early Warning · 7 days free

Know before you set off

Early Warning sends crashes, closures and long delays on your roads straight to your phone, plus email and Telegram.

Start my 7-day free trial

7 days free, then from £2.99 a month. Renews monthly until you cancel. Cancel within the 7 days and you won’t be charged.

Seen something on the road?Tell us once you've stopped somewhere safe. It takes a few taps and helps everyone heading that way.Report it

UK Traffic Updates is not a law firm and does not provide legal advice. We sell incident data and evidence reports only. We do not refer you to a solicitor, and we do not pass your details to anyone.

© 2026 UK Traffic Updates. Powered by National Highways’ Transport Data Feeds.

📄 Get Report